glib-event-glue: remove some unnecessary lines

Not needed in an example. Should still shorten the license, but should make sure it is still complete so people can copy-paste without problems.

man/glib-event-glue.c

@@ -1,5 +1,3 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
 /***
   Copyright 2014 Tom Gundersen
 
@@ -28,8 +26,6 @@
 #include <errno.h>
 #include <stdlib.h>
 
-#include "glib-event-glue.h"
-
 typedef struct SDEventSource {
         GSource source;
         GPollFD pollfd;